Brand new opportunity to build a WWTP in a key growth area of South East Queensland.
Join the delivery team working on a state‑funded, greenfield wastewater treatment plant at Chambers Flat. This $350M project includes the WWTP and two conveyance pipelines servicing Park Ridge and Yarrabilba.

About the project
Logan Water has secured funding under Queensland's Residential Activation Fund to fast‑track the Chambers Flat WWTP with land acquired and the design and planning well advanced. Construction is programmed to commence on treatment plant site from early 2026. You'll operate within a mature, long‑term program alongside Logan Water and Alliance Partners WSP and Stantec.

The Opportunity
Reporting to the Project Director, as Senior Project Manager - Mechanical/Electrical you'll work as part of the management team overseeing the Mechanical and Electrical components of the project, collaborating closely with planning, design, scheduling, cost, commissioning, and maintenance teams to ensure seamless execution and long-term success.

What we are looking forDegree in Engineering (Mechanical or Electrical)Minimum 10+ years of complex project management experience within the water and wastewater sectorCert IV or Higher Project Management certificationLeadership qualifications (Frontline Management or the like) highly regardedExperience in large scale design and construct treatment plant construction and upgrade works and large-scale water transfer projects involving micro-tunnelling and deep shafts.Sub-contractor managementFinancial management and reporting, including budgetingPrevious team management and leadership experienceWhat we offerA competitive remuneration packageFlexible work practices across site/office, robust wellness benefits, and access to Downer Group programs.Tool of trade vehicleCareer runway inside a mature SEQ program: leadership development, formal mentoring, and pathways into portfolio delivery and program director roles.The chance to deliver a city‑shaping asset that underwrites affordable housing and environmental outcomes for decades.Opportunity for career growth with structured frameworks and supportive-inclusive teamValued and respected position, with supportive and experienced teamWork for a major ASX-listed company
About Energy & Utilities…

Downer's Energy & Utilities business unit is an integrated trans-Tasman team, providing services and solutions that connect communities to essential networks and infrastructure. We design, build, operate and maintain today's critical assets and networks, delivering complete services across the water, electricity, telecommunications, industrial and power generation sectors. Our expertise spans in-house technical smarts, specialist engineering, integrated OEM partners, and dedicated crews of qualified tradespeople.

Downer Group is an employer that acknowledges and embraces the importance of our people's diverse experiences, talents, and cultures. As an inclusive employer, we welcome applications from everyone.

How to apply

Click "Apply" to start your application. We look forward to hearing from you!

Downer does not accept unsolicited resumes, fees, or costs from recruitment agencies, search firms, or third parties. Candidates are welcome to submit their applications via the advertisement.